Profibus
≈ 1 min read
Names in other languages
No names in other languages are held for this entry yet.
Article bodies are English and are not machine-translated. A name in another language is not a translation of the article.
Profibus (usually styled as PROFIBUS, as a portmanteau for Pro cess Fi eld Bus ) is a standard for fieldbus communication in automation technology and was first promoted in 1989 by BMBF (German department of education and research) and then used by Siemens. It should not be confused with the Profinet standard for Industrial Ethernet. Profibus is openly published as type 3 of IEC 61158/61784-1.
Profibus (usually styled as PROFIBUS, as a portmanteau for Pro cess Fi eld Bus ) is a standard for fieldbus communication in automation technology and was first promoted in 1989 by BMBF (German department of education and research) and then used by Siemens. It should not be confused with the Profinet standard for Industrial Ethernet. Profibus is openly published as type 3 of IEC 61158/61784-1. There may not be a pause between a stop bit and the following start bit when the bytes of a telegram are transmitted. The master signals the start of a new telegram with a SYN pause of at least 33 bits (logical "1" = bus idle). Various telegram types are used. They can be differentiated by their start delimiter (SD): SD1 = 0x10 SD2 = 0x68 SD3 = 0xA2 SD4 = 0xDC
Text derived from https://en.wikipedia.org/w/index.php?oldid=1378502573 under CC BY-SA 4.0; modifications have been made.